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Patent
D620132
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Priority
Dec 28 2009
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Filed
Dec 28 2009
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Issued
Jul 20 2010
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Expiry
Jul 20 2024
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Assg.orig
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Entity
unknown
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5
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6
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n/a
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The ornamental design of a ladder, as shown and described.
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FIG. 1 is a front left side perspective view of the ladder in an embodiment of the present invention;
FIG. 2 is a right side view of the ladder of the present invention;
FIG. 3 is a bottom view of the ladder of the present invention;
FIG. 4 is a top view of the ladder of the present invention;
FIG. 5 is a back view of the ladder of the present invention;
FIG. 6 is a front perspective view of the ladder of the present invention;
FIG. 7 is a partially collapsed right side elevation view of the ladder of the present invention;
FIG. 8 is a partially collapsed back side perspective view of the ladder of the present invention;
FIG. 9 is a collapsed left side perspective view of the ladder of the present invention; and,
FIG. 10 is a back collapsed view of the ladder of the present invention.
Han, Chunwen
| Patent |
Priority |
Assignee |
Title |
| 6000497, |
Jan 09 1997 |
COSCO MANAGEMENT, INC |
Detachable tray for step stool |
| 6450290, |
Jun 05 2000 |
|
Folding ladder |
| 7182176, |
May 28 2004 |
DOREL HOME FURNISHINGS, INC |
Step stool with elevated tray |
| 20020017430, |
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| D447817, |
Aug 11 2000 |
DOREL HOME FURNISHINGS, INC |
Step stool |
| D465289, |
Aug 11 2000 |
DOREL HOME FURNISHINGS, INC |
Step stool |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a